Optimisation of Nut-Cracking With Natural Hammers By Wild Chimpanzees

Optimisation of Nut-Cracking With Natural Hammers By Wild Chimpanzees
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野生黑猩猩用天然锤子敲碎坚果的优化

DOI:
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发表时间:
1983
期刊:
影响因子:
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通讯作者:
H. Boesch
H. Boesch
中科院分区:
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文献类型:
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作者:
C. Boesch;H. Boesch

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象牙海岸泰国家公园的黑猩猩用棍子和石头打开5种不同种类的坚果。尽管森林中的物质供应不佳,但动物们还是适应地选择了它们的工具。为了敲碎坚硬的坚果,他们使用更重、更重的工具,并更频繁地从更远的地方运输工具。对灵长类工具使用进化的某些方面进行了讨论。
The chimpanzees of the Tai National Park, Ivory Coast, use sticks and stones to open 5 different species of nuts. In spite of an unfavourable availability of the material in the forest, the animals choose their tools adaptively. For cracking harder nuts, they use harder and heavier tools and transport tools more often and from farther away. Some aspects of the evolution of tool-use in primates are discussed.